crown jewel

noun

1

crown jewels plural : the jewels (such as the crown and scepter) belonging to a sovereign's regalia

2

: the most attractive or valuable one of a collection or group

Synonyms of crown jewel

• jewel
• treasure
• trophy

Examples of crown jewel in a Sentence

The painting is the crown jewel of the museum's collection.

one of the company's crown jewels

Recent Examples on the Web

This is the latest of a string of thefts plaguing France and Europe more broadly, which have made headlines since thieves broke into the Louvre in October 2025 and were able to get away with much of the country’s remaining crown jewels. — Devorah Lauter, ARTnews.com, 6 Oct. 2026

Hot Tool Best of Beauty Deals Shark has been shaking up the hair-tool industry since 2021, but the brand's crown jewel might just be the FlexStyle Air Styling & Drying System. — Sarah Han, Allure, 6 Oct. 2026

And whose teenagers — despite Mexico sitting its crown jewel, Gilberto Mora — are more impressive? — Felipe Cardenas, New York Times, 4 Oct. 2026

Identify your crown jewels, including indispensable assets and processes. — Steve Durbin, Forbes.com, 1 Oct. 2026

Word History

First Known Use

1643, in the meaning defined at sense 1

Rhymes for crown jewel

• accrual
• nonfuel
• refuel
• renewal
• biofuel
• contextual
• nonrenewal
• nonsexual
• unusual
• cruel
• dual
• duel